The UK high commission in New Zealand says two Britons caught in the volcano eruption are now in hospital.
The PM initially refused to look at the picture of the boy and took a reporter's phone away.
A councillor and party official were filmed making the comments on the election campaign trail.
The prime minister questions whether funding the broadcaster out of general taxation "makes sense".
Andy Anokye's alleged victim told police she "wanted to die" because if she died "it would stop".